package com.chunuo.gulimall.product.service.impl;

import com.chunuo.gulimall.product.entity.AttrEntity;
import com.chunuo.gulimall.product.service.AttrService;
import com.chunuo.gulimall.product.vo.AttrGroupWithAttrsVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.chunuo.common.utils.PageUtils;
import com.chunuo.common.utils.Query;

import com.chunuo.gulimall.product.dao.AttrGroupDao;
import com.chunuo.gulimall.product.entity.AttrGroupEntity;
import com.chunuo.gulimall.product.service.AttrGroupService;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Autowired
    private AttrService attrService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catelogId) {

        QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();
        if( catelogId != null && catelogId != 0 ){
            //id相等
            wrapper.eq("catelog_id", catelogId);
        }

        //获取是否有搜索值
        String key = (String) params.get("key");
        //是否有传搜索值
        if(key!=null && !key.isEmpty()){
            wrapper.and((obj)->{
                obj.eq("attr_group_id",key).or().like("attr_group_name",key);
            });
        }

        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {
        List<AttrGroupEntity> attrGroupEntities = this.list(new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));
        List<AttrGroupWithAttrsVo> list = attrGroupEntities.stream().map((entity) -> {
            AttrGroupWithAttrsVo vo = new AttrGroupWithAttrsVo();
            BeanUtils.copyProperties(entity, vo);
            vo.setAttrs(attrService.getRelation(vo.getAttrGroupId()));
            return vo;
        }).collect(Collectors.toList());
        return list;
    }

}